How to call this? List.Reflate? List.Wrinkle? List.Unflatten?

However you call it, it comes in handy when some node does not take well to nested lists, but you need to reinstore the list structure later.

 

 

 

 

 

 

 

List.Restore?

Edit: went with the rather unpoetic List.Unflatten1Tier. Uploaded a new example as well, descibes it a bit better. Now to start on a Package.